Your IP : 10.10.0.253
<?php
/**
* @package LiveUpdate
* @copyright Copyright (c)2010-2012 Nicholas K. Dionysopoulos / AkeebaBackup.com
* @license GNU LGPLv3 or later <http://www.gnu.org/copyleft/lesser.html>
*/
defined('_JEXEC') or die();
class LiveUpdateXMLSlurp extends JObject
{
private $_info = array();
public function getInfo($extensionName, $xmlName)
{
if(!array_key_exists($extensionName, $this->_info)) {
$this->_info[$extensionName] = $this->fetchInfo($extensionName, $xmlName);
}
return $this->_info[$extensionName];
}
/**
* Gets the version information of an extension by reading its XML file
* @param string $extensionName The name of the extension, e.g. com_foobar, mod_foobar, plg_foobar or tpl_foobar.
* @param string $xmlName The name of the XML manifest filename. If empty uses $extensionName.xml
*/
private function fetchInfo($extensionName, $xmlName)
{
$type = strtolower(substr($extensionName,0,3));
switch($type) {
case 'com':
return $this->getComponentData($extensionName, $xmlName);
break;
case 'mod':
return $this->getModuleData($extensionName, $xmlName);
break;
case 'plg':
return $this->getPluginData($extensionName, $xmlName);
break;
case 'tpl':
return $this->getTemplateData($extensionName, $xmlName);
break;
case 'pkg':
return $this->getPackageData($extensionName, $xmlName);
break;
case 'lib':
return $this->getPackageData($extensionName, $xmlName);
break;
default:
if(strtolower(substr($extensionName, 0, 4)) == 'file') {
return $this->getPackageData($extensionName, $xmlName);
} else {
return array('version'=>'', 'date'=>'');
}
}
}
/**
* Gets the version information of a component by reading its XML file
* @param string $extensionName The name of the extension, e.g. com_foobar
* @param string $xmlName The name of the XML manifest filename. If empty uses $extensionName.xml
*/
private function getComponentData($extensionName, $xmlName)
{
$extensionName = strtolower($extensionName);
$path = JPATH_ADMINISTRATOR.'/components/'.$extensionName;
$altExtensionName = substr($extensionName,4);
jimport('joomla.filesystem.file');
if(JFile::exists("$path/$xmlName")) {
$filename = "$path/$xmlName";
} elseif(JFile::exists("$path/$extensionName.xml")) {
$filename = "$path/$extensionName.xml";
} elseif(JFile::exists("$path/$altExtensionName.xml")) {
$filename = "$path/$altExtensionName.xml";
} elseif(JFile::exists("$path/manifest.xml")) {
$filename = "$path/manifest.xml";
} else {
$filename = $this->searchForManifest($path);
if($filename === false) $filename = null;
}
if(empty($filename)) {
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
try {
$xml = new SimpleXMLElement($filename, LIBXML_NONET, true);
} catch(Exception $e) {
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
// Need to check for extension (since 1.6) and install (supported through 2.5)
if ($xml->getName() != 'extension' && $xml->getName() != 'install') {
unset($xml);
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
$data['version'] = $xml->version ? (string) $xml->version : '';
$data['date'] = $xml->creationDate ? (string) $xml->creationDate : '';
$data['xmlfile'] = $filename;
return $data;
}
/**
* Gets the version information of a module by reading its XML file
* @param string $extensionName The name of the extension, e.g. mod_foobar
* @param string $xmlName The name of the XML manifest filename. If empty uses $extensionName.xml
*/
private function getModuleData($extensionName, $xmlName)
{
$extensionName = strtolower($extensionName);
$altExtensionName = substr($extensionName,4);
jimport('joomla.filesystem.folder');
jimport('joomla.filesystem.file');
$path = JPATH_SITE.'/modules/'.$extensionName;
if(!JFolder::exists($path)) {
$path = JPATH_ADMINISTRATOR.'/modules/'.$extensionName;
}
if(!JFolder::exists($path)) {
// Joomla! 1.5
// 1. Check front-end
$path = JPATH_ADMINISTRATOR.'/modules';
$filename = "$path/$xmlName";
if(!JFile::exists($filename)) {
$filename = "$path/$extensionName.xml";
}
if(!JFile::exists($filename)) {
$filename = "$path/$altExtensionName.xml";
}
// 2. Check front-end
if(!JFile::exists($filename)) {
$path = JPATH_SITE.'/modules';
$filename = "$path/$xmlName";
if(!JFile::exists($filename)) {
$filename = "$path/$extensionName.xml";
}
if(!JFile::exists($filename)) {
$filename = "$path/$altExtensionName.xml";
}
if(!JFile::exists($filename)) {
return array('version' => '', 'date' => '');
}
}
} else {
// Joomla! 1.6
$filename = "$path/$xmlName";
if(!JFile::exists($filename)) {
$filename = "$path/$extensionName.xml";
}
if(!JFile::exists($filename)) {
$filename = "$path/$altExtensionName.xml";
}
if(!JFile::exists($filename)) {
return array('version' => '', 'date' => '');
}
}
if(empty($filename)) {
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
try {
$xml = new SimpleXMLElement($filename, LIBXML_NONET, true);
} catch(Exception $e) {
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
// Need to check for extension (since 1.6) and install (supported through 2.5)
if ($xml->getName() != 'extension' && $xml->getName() != 'install') {
unset($xml);
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
$data['version'] = $xml->version ? (string) $xml->version : '';
$data['date'] = $xml->creationDate ? (string) $xml->creationDate : '';
$data['xmlfile'] = $filename;
return $data;
}
/**
* Gets the version information of a plugin by reading its XML file
* @param string $extensionName The name of the plugin, e.g. plg_foobar
* @param string $xmlName The name of the XML manifest filename. If empty uses $extensionName.xml
*/
private function getPluginData($extensionName, $xmlName)
{
$extensionName = strtolower($extensionName);
$altExtensionName = substr($extensionName,4);
jimport('joomla.filesystem.folder');
jimport('joomla.filesystem.file');
$base = JPATH_PLUGINS;
// Get a list of directories
$stack = JFolder::folders($base,'.',true,true);
foreach($stack as $path)
{
$filename = "$path/$xmlName";
if(JFile::exists($filename)) break;
$filename = "$path/$extensionName.xml";
if(JFile::exists($filename)) break;
$filename = "$path/$altExtensionName.xml";
if(JFile::exists($filename)) break;
}
if(!JFile::exists($filename)) {
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
try {
$xml = new SimpleXMLElement($filename, LIBXML_NONET, true);
} catch(Exception $e) {
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
// Need to check for extension (since 1.6) and install (supported through 2.5)
if ($xml->getName() != 'extension' && $xml->getName() != 'install') {
unset($xml);
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
$data['version'] = $xml->version ? (string) $xml->version : '';
$data['date'] = $xml->creationDate ? (string) $xml->creationDate : '';
$data['xmlfile'] = $filename;
return $data;
}
/**
* Gets the version information of a template by reading its XML file
* @param string $extensionName The name of the template, e.g. tpl_foobar
* @param string $xmlName The name of the XML manifest filename. If empty uses $extensionName.xml or templateDetails.xml
*/
private function getTemplateData($extensionName, $xmlName)
{
$extensionName = strtolower($extensionName);
$altExtensionName = substr($extensionName,4);
jimport('joomla.filesystem.folder');
jimport('joomla.filesystem.file');
// First look for administrator templates
$path = JPATH_THEMES.'/'.$altExtensionName;
if(!JFolder::exists($path)) {
// Then look for front-end templates
$path = JPATH_SITE.'/templates/'.$altExtensionName;
if(!JFolder::exists($path)) return array('version' => '', 'date' => '');
}
$filename = "$path/$xmlName";
if(!JFile::exists($filename)) {
$filename = "$path/templateDetails.xml";
}
if(!JFile::exists($filename)) {
$filename = "$path/$extensionName.xml";
}
if(!JFile::exists($filename)) {
$filename = "$path/$altExtensionName.xml";
}
if(!JFile::exists($filename)) {
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
try {
$xml = new SimpleXMLElement($filename, LIBXML_NONET, true);
} catch(Exception $e) {
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
// Need to check for extension (since 1.6) and install (supported through 2.5)
if ($xml->getName() != 'extension' && $xml->getName() != 'install') {
unset($xml);
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
$data['version'] = $xml->version ? (string) $xml->version : '';
$data['date'] = $xml->creationDate ? (string) $xml->creationDate : '';
$data['xmlfile'] = $filename;
return $data;
}
/**
* This method parses the manifest information of package, library and file
* extensions. All of those extensions do not store their manifests in the
* extension's directory, but in administrator/manifests. Kudos to @mbabker
* for sharing this method!
*
* @param string $extensionName
* @param string $xmlName
* @return type
*/
private function getPackageData($extensionName, $xmlName)
{
$extensionName = strtolower($extensionName);
$altExtensionName = substr($extensionName,4);
jimport('joomla.filesystem.folder');
jimport('joomla.filesystem.file');
$path = JPATH_ADMINISTRATOR.'/manifests/packages';
$filename = "$path/$xmlName";
if(!JFile::exists($filename)) {
$filename = "$path/$extensionName.xml";
}
if(!JFile::exists($filename)) {
$filename = "$path/$altExtensionName.xml";
}
if(!JFile::exists($filename)) {
return array('version' => '', 'date' => '');
}
if(empty($filename)) {
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
try {
$xml = new SimpleXMLElement($filename, LIBXML_NONET, true);
} catch(Exception $e) {
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
// Need to check for extension (since 1.6) and install (supported through 2.5)
if ($xml->getName() != 'extension') {
unset($xml);
return array('version' => '', 'date' => '', 'xmlfile' => '');
}
$data['version'] = $xml->version ? (string) $xml->version : '';
$data['date'] = $xml->creationDate ? (string) $xml->creationDate : '';
$data['xmlfile'] = $filename;
return $data;
}
/**
* Scans a directory for XML manifest files. The first XML file to be a
* manifest wins.
*
* @var $path string The path to look into
*
* @return string|bool The full path to a manifest file or false if not found
*/
private function searchForManifest($path)
{
jimport('joomla.filesystem.folder');
$files = JFolder::files($path, '\.xml$', false, true);
if(!empty($files)) foreach($files as $filename) {
try {
$xml = new SimpleXMLElement($filename, LIBXML_NONET, true);
} catch(Exception $e) {
continue;
}
// Check for extension (since 1.6) and install (supported through 2.5)
if(($xml->getName() != 'extension' && $xml->getName() != 'install')) continue;
unset($xml);
return $filename;
}
return false;
}
}